Systems and Infrastructure Administrator (IT)

IFAE; Cerdanyola del Vallés; Sur place; EUR 35 000 - 52 000; Plein temps

Avantages offerts par ce poste

Professional growth opportunities

Résumé du poste

IFAE is seeking a proactive Systems and Infrastructure Administrator to manage and maintain Linux-based IT infrastructure across multiple platforms. You will provide level 2/3 support, participate in infrastructure projects, and contribute to public procurement processes.

A strong background in Proxmox, OPNsense, and NAS storage is essential. The role requires hands-on experience with virtualization, networking, and security, along with scripting and documentation duties.

Qualifications

• 2+ years of Linux administration experience (Debian/Ubuntu).
• Experience with systemd-based services and SSH.
• Strong networking knowledge: TCP/IP, VLANs, DNS, DHCP, VPN.
• Experience with Proxmox VE virtualization.
• Experience with OPNsense firewalls.
• Knowledge of RAID, NFS, and SMB.
• Experience with Docker and Docker Compose.
• Public sector or research center experience preferred.
• Bash and/or Python scripting skills.

Responsabilités

• Administer and maintain Linux servers (Debian/Ubuntu).
• Manage Proxmox VE virtualization platforms.
• Administer OPNsense firewalls and VPNs.
• Manage Synology and QNAP NAS storage.
• Handle backups and restoration tests.
• Monitor infrastructure with Observium.
• Renew SSL/TLS certificates and manage DNS/DHCP/VPN/SSH.
• Prepare and update technical documentation.
• Participate in modernization projects of IT infrastructure.

Connaissances

Linux administration

Proxmox VE

Networking

SSH administration

Observium

Docker

Docker Compose

Bash scripting

Python scripting

Public procurement

Formation

Higher Vocational Training Diploma in Networked Computer Systems Administration (ASIX)

Outils

Proxmox VE

OPNsense

Synology NAS

QNAP NAS

Observium

Zabbix

Wazuh

Docker

Python

Description du poste

Open Position Systems and Infrastructure Administrator (IT)

Opening Date: October 6, 2026

Closing Date: Until Filled

Ref:2026-42_Technical Division_IT

About IFAE

The Institut de Física d’Altes Energies (IFAE) is a public consortium of Generalitat de Catalunya, the Autonomous Government of Catalonia, and Universitat Autònoma de Barcelona (UAB, a public university) whose main goal is to carry out research and to contribute to the development of high energy physics from a theoretical, experimental and technological point of view. IFAE has the status of a “University Institute" attached to UAB and its premises are within the campus of the university.

About IFAE’s Technical Division

The Technical Division of IFAE is constituted by a multidisciplinary team with the mission to make the scientist’s projects a reality. We oversee the design and development of the mechanics, electronics, and software for the instrumentation required for each project.

IFAE-BIST is the Institute for High Energy Physics (Institut de Física d’Altes Energies) inside the Barcelona Institute for Science and Technology. At IFAE we conduct experimental and theoretical research at the frontiers of fundamental physics, namely in Particle Physics, Astrophysics, Cosmology, and Applied medical Physics.

We are involved in the ATLAS project at the LHC at CERN, the T2K neutrino experiment in Japan, the MAGIC and the CTA - LST telescopes in La Palma, the Dark Energy Survey project in Chile, the ESA Euclid satellite, and the VIRGO Gravitational Waves experiment and Einstein Telescope, among others. We also work at the cutting edge of detector technology developing pixel detectors for High Energy Physics, telescope cameras, and detectors for medical imaging and other scientific and industrial fields.

Job Description

The selected candidate will participate in the administration and maintenance of the organization’s IT infrastructure, providing second- and third-level support for Linux platforms, virtualization, storage, networking, and security. The role also involves contributing to infrastructure development projects and public procurement processes related to IT solutions.

We are looking for a proactive candidate with strong problem-solving skills and proven experience in the administration of critical IT infrastructures.

Main responsibilities

• Administer and maintain Linux servers (Debian and Ubuntu).
• Manage Proxmox VE virtualization platforms.
• Administer and maintain OPNsense firewalls.
• Manage Synology and QNAP NAS storage systems.
• Administer backup solutions and perform restoration tests.
• Monitor the IT infrastructure using Observium.
• Manage and renew SSL/TLS certificates.
• Administer infrastructure services such as DNS, DHCP, VPN, SSH, and related services.
• Resolve second- and third-level incidents related to systems and networking.
• Participate in projects aimed at improving and modernizing the organization’s IT infrastructure.
• Prepare, maintain, and update technical documentation.

Specific Requirements And Desirable Qualifications

• Higher Vocational Training Diploma in Networked Computer Systems Administration (ASIX) or an equivalent qualification.
• At least 2 years of experience administering Linux environments (Debian and/or Ubuntu).
• Experience administering Linux services using systemd.
• Strong knowledge of SSH and Linux server administration.
• Experience with Proxmox VE virtualization platforms.
• Solid knowledge of networking technologies, including:
  • TCP/IP
  • VLANs
  • Routing
  • DNS
  • DHCP
  • VPN
• Experience administering OPNsense firewalls.
• Knowledge of NAT and firewall policies.
• Experience managing SSL/TLS certificates.
• Experience administering Synology and QNAP NAS storage systems.
• Knowledge of RAID, NFS, and SMB.
• Experience with backup strategies, data restoration, and backup verification.
• Experience with infrastructure monitoring tools, preferably Observium.
• Experience with Docker and Docker Compose.
• Previous experience working in a public institution or research center.
• Technical experience participating in public procurement (tender) processes.
• Knowledge of Wazuh.
• Scripting skills (Bash and/or Python).
• Knowledge of Zabbix.

Desirable Qualifications

• Knowledge of Rocky Linux or Red Hat Enterprise Linux (RHEL).
• Experience with Podman.
• Experience working with AWS cloud environments, including:
  • EC2
  • VPC
  • Security Groups
• Holding or currently pursuing Linux certifications such as LPIC-1, RHCSA, or equivalent certifications.

Evaluation criteria

The evaluation criteria and their weighting for the submitted applications will be the following:

Evaluation criteria Points Technical knowledge and professional experience 70 Experience in similar environments within the research sector 20 Initiative and motivation 10

Offered contract

• Full-time Contract (40 h/week).
• Interim Contract to Fill a Vacant Position (3 years).
• Category Technician.
• Salary will be proportional to experience and qualifications within the corresponding category range.
• Work with interesting experimental science. Opportunity to gain first-hand learning experience. Personal growth, innovation and learning every day.
• The selected candidate is expected to join the IFAE as soon as possible.
• Professional growth opportunities and continuous training.
• Joining a top-level technical team.

IFAE is committed to equal opportunities, diversity and inclusion. With the aim of promoting a real gender balance in the institution, women will be especially encouraged to submit their candidacy in the calls. Likewise, IFAE reaffirms its commitment to the integration of people with disabilities and underrepresented groups in the scientific field and in accordance with article 59 of the EBEP to reserve seven percent of places so that at least two percent of the total staff are people with disabilities.

A Selection Committee will evaluate the received applications. If more than one candidate seems equally suitable for the position, the Selection Committee will arrange an on-line interview with each one of them as part of the Selection process. In compliance with article 121 of the Spanish Public Sector Legal Regime Act, staff with a pre-existing relationship with the Consortium administration (Generalitat de Catalunya and Universitat Autònoma de Barcelona) will have priority in the awarding of the position.